Home / 57,882-86,822.79-18,442.29

Finding the Fourth Proportional to 57,882, 86,822.79 and 18,442.29

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Solution

The fourth proportional to 57,882, 86,822.79 and 18,442.29 is: 27,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,882 : 86,822.79 = 18,442.29 : x
  2. Step 2: Convert to fraction form
    57,882/86,822.79 = 18,442.29/x
  3. Step 3: Cross multiply
    57,882x = 86,822.79 × 18,442.29
  4. Step 4: Simplify right side
    57,882x = 1,601,211,071.79
  5. Step 5: Solve for x
    x = 1,601,211,071.79/57,882
  6. Step 6: Final answer
    x = 27,663.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.